Telephone

Telephone

By lexi turner
  • Alexander Graham Bell

    Alexander Graham Bell

    Alexander Graham Bell invents the telephone.
  • Mobile Radios

    Mobile Radios

    The Detroit police department installs mobile radios in their cars. Overcrowded channels and interferance are large problems.
  • First Car Radio Phones

    First Car Radio Phones

    AT&T releases the first radio car phones. They only work on the highway between New York and Boston.
  • Push Button Phone

    Push Button Phone

    The push button phone gains popularity over the rotary phone.
  • First Iphone

    First Iphone

    The first generation of Apple's popular device.
  • Android System

    Android System

    The first phone to use the android system.